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Update inductor_imp.html

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miguel 2023-06-19 22:31:04 +10:00
rodzic 12f47cb819
commit 0c2e2702f4
1 zmienionych plików z 26 dodań i 0 usunięć
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inductor_imp.html
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@ -76,6 +76,14 @@
<li>Q : Effective Quality Factor of the inductor at the given frequency. - (|Z.im|/Z.re)</li>
</ul>
</div>
<u><b>Other VK3CPU calculators:</b>
<ul>
<li><a href="https://miguelvaca.github.io/vk3cpu/magloop.html">Magloop - STL Antenna Calculator</a></li>
<li><a href="https://miguelvaca.github.io/vk3cpu/short_dipole.html">Coil-loaded Dipole Calculator</a></li>
<li><a href="https://miguelvaca.github.io/vk3cpu/toroid.html">RF Toroid Calculator</a></li>
<li><a href="https://miguelvaca.github.io/vk3cpu/transformer.html">RF Transformer Calculator</a></li>
</ul>
</u><br>
</section>
<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjs/7.5.1/math.min.js"></script>
<script src="inductor.js"></script>
@ -312,6 +320,18 @@
drawDesign();
}
function drawArrow(ctx, x, y, angle) {
const l1 = 15.0;
const l2 = 20.0;
ctx.beginPath();
ctx.moveTo(x , y);
ctx.lineTo(x + l1*Math.cos(angle+0.33*Math.PI), y + l1*Math.sin(angle+0.33*Math.PI));
ctx.lineTo(x + l1*Math.cos(angle+0.67*Math.PI), y + l1*Math.sin(angle+0.67*Math.PI));
ctx.lineTo(x, y);
ctx.lineTo(x + l2*Math.cos(angle+0.5*Math.PI), y + l2*Math.sin(angle+0.5*Math.PI));
ctx.stroke();
}
const afront_canvas = document.getElementById("inductor2D");
const fctx = afront_canvas.getContext('2d');
@ -358,6 +378,7 @@
// Draw loop diameter arrow:
const y_offset = loopy + loop_radius + 20;
var arrow_size = 10.0;
/*
fctx.beginPath();
fctx.moveTo(loopx - loop_radius, loopy);
fctx.lineTo(loopx - loop_radius, y_offset);
@ -375,6 +396,7 @@
fctx.lineTo(loopx + loop_radius, y_offset);
fctx.lineTo(loopx + loop_radius + 3.0*arrow_size, y_offset);
fctx.stroke();
*/
// Write conductor diameter symbol:
fctx.font = cond_dia_font;
@ -389,9 +411,11 @@
fctx.textAlign = "right";
fctx.font = loop_dia_font;
// Write loop diameter symbol:
fctx.fillText("\u2300b = " + loop_diameter_inches.toFixed(2).toString() + "\"", loopx - loop_radius - 2.0*arrow_size, y_offset - 4);
fctx.fillText("(" + loop_diameter_mm.toFixed(2).toString() + "mm)", loopx - loop_radius - 2.0*arrow_size, y_offset + 12);
fctx.font = "12px arial";
fctx.fillText("(A=" + (cond_diameter_mm**2).toFixed(2).toString() + " mm\u00B2)", loopx - loop_radius - 2.0*arrow_size, loopy + 28);
@ -419,6 +443,7 @@
fctx.fillText("(" + (loop_diameter_mm-0.5*cond_diameter_mm).toFixed(2).toString() + "mm)", loopx + loop_radius + 2.0*arrow_size, inner_dia_y + 12);
// Draw outer-diameter arrows: (for using a winding former)
/*
const outer_dia_y = loopy + loop_radius + 0;
fctx.beginPath();
fctx.moveTo(loopx - loop_radius - cond_radius, loopy);
@ -439,6 +464,7 @@
fctx.stroke();
fctx.fillText("\u2300o = " + (loop_diameter_inches+0.5*cond_diameter_inches).toFixed(3).toString() + "\"", loopx + loop_radius + 2.0*arrow_size, outer_dia_y - 4);
fctx.fillText("(" + (loop_diameter_mm+0.5*cond_diameter_mm).toFixed(2).toString() + "mm)", loopx + loop_radius + 2.0*arrow_size, outer_dia_y + 12);
*/
// Write loop inductance:
fctx.font = "12px arial";